[INFO] crate dono 2.0.0 is already in cache
[INFO] testing dono-2.0.0 against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] extracting crate dono 2.0.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate dono 2.0.0 on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dono 2.0.0
[INFO] finished tweaking crates.io crate dono 2.0.0
[INFO] tweaked toml for crates.io crate dono 2.0.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5566c3e5dd9e5ae64f7f4ff1ec70217be98e664e1618c95c3520dc8e555a40ee
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5566c3e5dd9e5ae64f7f4ff1ec70217be98e664e1618c95c3520dc8e555a40ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5566c3e5dd9e5ae64f7f4ff1ec70217be98e664e1618c95c3520dc8e555a40ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5566c3e5dd9e5ae64f7f4ff1ec70217be98e664e1618c95c3520dc8e555a40ee", kill_on_drop: false }`
[INFO] [stdout] 5566c3e5dd9e5ae64f7f4ff1ec70217be98e664e1618c95c3520dc8e555a40ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] de555665c0125ad028e3e84682db2a50ce98f55f8138984bd3497bc2c2ad7618
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "de555665c0125ad028e3e84682db2a50ce98f55f8138984bd3497bc2c2ad7618", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling os_type v0.5.0
[INFO] [stderr]    Compiling dono v2.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/labels.rs:44:21
[INFO] [stdout]    |
[INFO] [stdout] 44 |         let store = try!(store());
[INFO] [stdout]    |                     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/labels.rs:52:36
[INFO] [stdout]    |
[INFO] [stdout] 52 |         let updated_store_string = try!(self.updated_store_string());
[INFO] [stdout]    |                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/labels.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |         try!(self.write_to_store(&updated_store_string));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/labels.rs:62:38
[INFO] [stdout]    |
[INFO] [stdout] 62 |         let destroyed_store_string = try!(self.destroyed_store_string());
[INFO] [stdout]    |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/labels.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 63 |         try!(self.write_to_store(&destroyed_store_string));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/labels.rs:69:38
[INFO] [stdout]    |
[INFO] [stdout] 69 |         let destroyed_store_string = try!(
[INFO] [stdout]    |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/labels.rs:76:38
[INFO] [stdout]    |
[INFO] [stdout] 76 |         let destroyed_store_string = try!(
[INFO] [stdout]    |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/labels.rs:85:25
[INFO] [stdout]    |
[INFO] [stdout] 85 |         let raw_store = try!(raw_store());
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/labels.rs:151:13
[INFO] [stdout]     |
[INFO] [stdout] 151 |             try!(s.emit_struct_field("title", 0, |s| {
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/labels.rs:154:13
[INFO] [stdout]     |
[INFO] [stdout] 154 |             try!(s.emit_struct_field("previous_title", 1, |s| {
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/labels.rs:157:13
[INFO] [stdout]     |
[INFO] [stdout] 157 |             try!(s.emit_struct_field("persisted", 2, |s| {
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/labels.rs:168:25
[INFO] [stdout]     |
[INFO] [stdout] 168 |             let title = try!(d.read_struct_field("title", 0, |d| {
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/labels.rs:171:34
[INFO] [stdout]     |
[INFO] [stdout] 171 |             let previous_title = try!(
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/labels.rs:176:29
[INFO] [stdout]     |
[INFO] [stdout] 176 |             let persisted = try!(d.read_struct_field("persisted", 2, |d| {
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/labels.rs:192:17
[INFO] [stdout]     |
[INFO] [stdout] 192 |     let store = try!(store());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/labels.rs:202:21
[INFO] [stdout]     |
[INFO] [stdout] 202 |     let raw_store = try!(raw_store());
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 |             try!(s.emit_struct_field("field", 0, |s| {
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |             try!(s.emit_struct_field("code", 1, |s| {
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:51:13
[INFO] [stdout]    |
[INFO] [stdout] 51 |             try!(s.emit_struct_field("description", 2, |s| {
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:54:13
[INFO] [stdout]    |
[INFO] [stdout] 54 |             try!(s.emit_struct_field("message", 3, |s| {
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:65:25
[INFO] [stdout]    |
[INFO] [stdout] 65 |             let field = try!(d.read_struct_field("field", 0, |d| {
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:68:24
[INFO] [stdout]    |
[INFO] [stdout] 68 |             let code = try!(d.read_struct_field("code", 1, |d| {
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:71:31
[INFO] [stdout]    |
[INFO] [stdout] 71 |             let description = try!(d.read_struct_field("description", 2, |d| {
[INFO] [stdout]    |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:75:27
[INFO] [stdout]    |
[INFO] [stdout] 75 |             let message = try!(d.read_struct_field("message", 3, |d| {
[INFO] [stdout]    |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:135:32
[INFO] [stdout]     |
[INFO] [stdout] 135 |         let derived_password = try!(self.derive_password(&key, &label));
[INFO] [stdout]     |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:172:26
[INFO] [stdout]     |
[INFO] [stdout] 172 |         let iterations = try!(self.number_of_iterations_for_key(&key)) as u32;
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using a crate from crates.io instead.
[INFO] [stdout]    --> src/labels.rs:237:30
[INFO] [stdout]     |
[INFO] [stdout] 237 |     let mut home_directory = env::home_dir().unwrap();
[INFO] [stdout]     |                              ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 27 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.69s
[INFO] running `Command { std: "docker" "inspect" "de555665c0125ad028e3e84682db2a50ce98f55f8138984bd3497bc2c2ad7618", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de555665c0125ad028e3e84682db2a50ce98f55f8138984bd3497bc2c2ad7618", kill_on_drop: false }`
[INFO] [stdout] de555665c0125ad028e3e84682db2a50ce98f55f8138984bd3497bc2c2ad7618
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f44a5c731b06454a22e4d55a4ea13cb51081b7a73da3fee23e9f99e7ea0a065f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f44a5c731b06454a22e4d55a4ea13cb51081b7a73da3fee23e9f99e7ea0a065f", kill_on_drop: false }`
[INFO] [stderr]    Compiling dono v2.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/labels.rs:44:21
[INFO] [stdout]    |
[INFO] [stdout] 44 |         let store = try!(store());
[INFO] [stdout]    |                     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/labels.rs:52:36
[INFO] [stdout]    |
[INFO] [stdout] 52 |         let updated_store_string = try!(self.updated_store_string());
[INFO] [stdout]    |                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/labels.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |         try!(self.write_to_store(&updated_store_string));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/labels.rs:62:38
[INFO] [stdout]    |
[INFO] [stdout] 62 |         let destroyed_store_string = try!(self.destroyed_store_string());
[INFO] [stdout]    |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/labels.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 63 |         try!(self.write_to_store(&destroyed_store_string));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/labels.rs:69:38
[INFO] [stdout]    |
[INFO] [stdout] 69 |         let destroyed_store_string = try!(
[INFO] [stdout]    |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/labels.rs:76:38
[INFO] [stdout]    |
[INFO] [stdout] 76 |         let destroyed_store_string = try!(
[INFO] [stdout]    |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/labels.rs:85:25
[INFO] [stdout]    |
[INFO] [stdout] 85 |         let raw_store = try!(raw_store());
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/labels.rs:151:13
[INFO] [stdout]     |
[INFO] [stdout] 151 |             try!(s.emit_struct_field("title", 0, |s| {
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/labels.rs:154:13
[INFO] [stdout]     |
[INFO] [stdout] 154 |             try!(s.emit_struct_field("previous_title", 1, |s| {
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/labels.rs:157:13
[INFO] [stdout]     |
[INFO] [stdout] 157 |             try!(s.emit_struct_field("persisted", 2, |s| {
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/labels.rs:168:25
[INFO] [stdout]     |
[INFO] [stdout] 168 |             let title = try!(d.read_struct_field("title", 0, |d| {
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/labels.rs:171:34
[INFO] [stdout]     |
[INFO] [stdout] 171 |             let previous_title = try!(
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/labels.rs:176:29
[INFO] [stdout]     |
[INFO] [stdout] 176 |             let persisted = try!(d.read_struct_field("persisted", 2, |d| {
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/labels.rs:192:17
[INFO] [stdout]     |
[INFO] [stdout] 192 |     let store = try!(store());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/labels.rs:202:21
[INFO] [stdout]     |
[INFO] [stdout] 202 |     let raw_store = try!(raw_store());
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 |             try!(s.emit_struct_field("field", 0, |s| {
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |             try!(s.emit_struct_field("code", 1, |s| {
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:51:13
[INFO] [stdout]    |
[INFO] [stdout] 51 |             try!(s.emit_struct_field("description", 2, |s| {
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:54:13
[INFO] [stdout]    |
[INFO] [stdout] 54 |             try!(s.emit_struct_field("message", 3, |s| {
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:65:25
[INFO] [stdout]    |
[INFO] [stdout] 65 |             let field = try!(d.read_struct_field("field", 0, |d| {
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:68:24
[INFO] [stdout]    |
[INFO] [stdout] 68 |             let code = try!(d.read_struct_field("code", 1, |d| {
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:71:31
[INFO] [stdout]    |
[INFO] [stdout] 71 |             let description = try!(d.read_struct_field("description", 2, |d| {
[INFO] [stdout]    |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:75:27
[INFO] [stdout]    |
[INFO] [stdout] 75 |             let message = try!(d.read_struct_field("message", 3, |d| {
[INFO] [stdout]    |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:135:32
[INFO] [stdout]     |
[INFO] [stdout] 135 |         let derived_password = try!(self.derive_password(&key, &label));
[INFO] [stdout]     |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:172:26
[INFO] [stdout]     |
[INFO] [stdout] 172 |         let iterations = try!(self.number_of_iterations_for_key(&key)) as u32;
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using a crate from crates.io instead.
[INFO] [stdout]    --> src/labels.rs:237:30
[INFO] [stdout]     |
[INFO] [stdout] 237 |     let mut home_directory = env::home_dir().unwrap();
[INFO] [stdout]     |                              ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 27 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using a crate from crates.io instead.
[INFO] [stdout]    --> tests/labels.rs:264:30
[INFO] [stdout]     |
[INFO] [stdout] 264 |     let mut home_directory = env::home_dir().unwrap();
[INFO] [stdout]     |                              ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/labels.rs:44:21
[INFO] [stdout]    |
[INFO] [stdout] 44 |         let store = try!(store());
[INFO] [stdout]    |                     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/labels.rs:52:36
[INFO] [stdout]    |
[INFO] [stdout] 52 |         let updated_store_string = try!(self.updated_store_string());
[INFO] [stdout]    |                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/labels.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |         try!(self.write_to_store(&updated_store_string));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/labels.rs:62:38
[INFO] [stdout]    |
[INFO] [stdout] 62 |         let destroyed_store_string = try!(self.destroyed_store_string());
[INFO] [stdout]    |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/labels.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 63 |         try!(self.write_to_store(&destroyed_store_string));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/labels.rs:69:38
[INFO] [stdout]    |
[INFO] [stdout] 69 |         let destroyed_store_string = try!(
[INFO] [stdout]    |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/labels.rs:76:38
[INFO] [stdout]    |
[INFO] [stdout] 76 |         let destroyed_store_string = try!(
[INFO] [stdout]    |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/labels.rs:85:25
[INFO] [stdout]    |
[INFO] [stdout] 85 |         let raw_store = try!(raw_store());
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/labels.rs:151:13
[INFO] [stdout]     |
[INFO] [stdout] 151 |             try!(s.emit_struct_field("title", 0, |s| {
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/labels.rs:154:13
[INFO] [stdout]     |
[INFO] [stdout] 154 |             try!(s.emit_struct_field("previous_title", 1, |s| {
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/labels.rs:157:13
[INFO] [stdout]     |
[INFO] [stdout] 157 |             try!(s.emit_struct_field("persisted", 2, |s| {
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/labels.rs:168:25
[INFO] [stdout]     |
[INFO] [stdout] 168 |             let title = try!(d.read_struct_field("title", 0, |d| {
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/labels.rs:171:34
[INFO] [stdout]     |
[INFO] [stdout] 171 |             let previous_title = try!(
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/labels.rs:176:29
[INFO] [stdout]     |
[INFO] [stdout] 176 |             let persisted = try!(d.read_struct_field("persisted", 2, |d| {
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/labels.rs:192:17
[INFO] [stdout]     |
[INFO] [stdout] 192 |     let store = try!(store());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/labels.rs:202:21
[INFO] [stdout]     |
[INFO] [stdout] 202 |     let raw_store = try!(raw_store());
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 |             try!(s.emit_struct_field("field", 0, |s| {
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |             try!(s.emit_struct_field("code", 1, |s| {
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:51:13
[INFO] [stdout]    |
[INFO] [stdout] 51 |             try!(s.emit_struct_field("description", 2, |s| {
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:54:13
[INFO] [stdout]    |
[INFO] [stdout] 54 |             try!(s.emit_struct_field("message", 3, |s| {
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:65:25
[INFO] [stdout]    |
[INFO] [stdout] 65 |             let field = try!(d.read_struct_field("field", 0, |d| {
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:68:24
[INFO] [stdout]    |
[INFO] [stdout] 68 |             let code = try!(d.read_struct_field("code", 1, |d| {
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:71:31
[INFO] [stdout]    |
[INFO] [stdout] 71 |             let description = try!(d.read_struct_field("description", 2, |d| {
[INFO] [stdout]    |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:75:27
[INFO] [stdout]    |
[INFO] [stdout] 75 |             let message = try!(d.read_struct_field("message", 3, |d| {
[INFO] [stdout]    |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:135:32
[INFO] [stdout]     |
[INFO] [stdout] 135 |         let derived_password = try!(self.derive_password(&key, &label));
[INFO] [stdout]     |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:172:26
[INFO] [stdout]     |
[INFO] [stdout] 172 |         let iterations = try!(self.number_of_iterations_for_key(&key)) as u32;
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using a crate from crates.io instead.
[INFO] [stdout]    --> src/labels.rs:237:30
[INFO] [stdout]     |
[INFO] [stdout] 237 |     let mut home_directory = env::home_dir().unwrap();
[INFO] [stdout]     |                              ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 27 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.29s
[INFO] running `Command { std: "docker" "inspect" "f44a5c731b06454a22e4d55a4ea13cb51081b7a73da3fee23e9f99e7ea0a065f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f44a5c731b06454a22e4d55a4ea13cb51081b7a73da3fee23e9f99e7ea0a065f", kill_on_drop: false }`
[INFO] [stdout] f44a5c731b06454a22e4d55a4ea13cb51081b7a73da3fee23e9f99e7ea0a065f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 160b6c903b28ec6cd43876c12c796345b00c0eec1cd51a1b2afbd1fcce740268
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "160b6c903b28ec6cd43876c12c796345b00c0eec1cd51a1b2afbd1fcce740268", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/labels.rs:44:21
[INFO] [stderr]    |
[INFO] [stderr] 44 |         let store = try!(store());
[INFO] [stderr]    |                     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/labels.rs:52:36
[INFO] [stderr]    |
[INFO] [stderr] 52 |         let updated_store_string = try!(self.updated_store_string());
[INFO] [stderr]    |                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/labels.rs:53:9
[INFO] [stderr]    |
[INFO] [stderr] 53 |         try!(self.write_to_store(&updated_store_string));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/labels.rs:62:38
[INFO] [stderr]    |
[INFO] [stderr] 62 |         let destroyed_store_string = try!(self.destroyed_store_string());
[INFO] [stderr]    |                                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/labels.rs:63:9
[INFO] [stderr]    |
[INFO] [stderr] 63 |         try!(self.write_to_store(&destroyed_store_string));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/labels.rs:69:38
[INFO] [stderr]    |
[INFO] [stderr] 69 |         let destroyed_store_string = try!(
[INFO] [stderr]    |                                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/labels.rs:76:38
[INFO] [stderr]    |
[INFO] [stderr] 76 |         let destroyed_store_string = try!(
[INFO] [stderr]    |                                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/labels.rs:85:25
[INFO] [stderr]    |
[INFO] [stderr] 85 |         let raw_store = try!(raw_store());
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/labels.rs:151:13
[INFO] [stderr]     |
[INFO] [stderr] 151 |             try!(s.emit_struct_field("title", 0, |s| {
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/labels.rs:154:13
[INFO] [stderr]     |
[INFO] [stderr] 154 |             try!(s.emit_struct_field("previous_title", 1, |s| {
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/labels.rs:157:13
[INFO] [stderr]     |
[INFO] [stderr] 157 |             try!(s.emit_struct_field("persisted", 2, |s| {
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/labels.rs:168:25
[INFO] [stderr]     |
[INFO] [stderr] 168 |             let title = try!(d.read_struct_field("title", 0, |d| {
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/labels.rs:171:34
[INFO] [stderr]     |
[INFO] [stderr] 171 |             let previous_title = try!(
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/labels.rs:176:29
[INFO] [stderr]     |
[INFO] [stderr] 176 |             let persisted = try!(d.read_struct_field("persisted", 2, |d| {
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/labels.rs:192:17
[INFO] [stderr]     |
[INFO] [stderr] 192 |     let store = try!(store());
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/labels.rs:202:21
[INFO] [stderr]     |
[INFO] [stderr] 202 |     let raw_store = try!(raw_store());
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:45:13
[INFO] [stderr]    |
[INFO] [stderr] 45 |             try!(s.emit_struct_field("field", 0, |s| {
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:48:13
[INFO] [stderr]    |
[INFO] [stderr] 48 |             try!(s.emit_struct_field("code", 1, |s| {
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:51:13
[INFO] [stderr]    |
[INFO] [stderr] 51 |             try!(s.emit_struct_field("description", 2, |s| {
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:54:13
[INFO] [stderr]    |
[INFO] [stderr] 54 |             try!(s.emit_struct_field("message", 3, |s| {
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:65:25
[INFO] [stderr]    |
[INFO] [stderr] 65 |             let field = try!(d.read_struct_field("field", 0, |d| {
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:68:24
[INFO] [stderr]    |
[INFO] [stderr] 68 |             let code = try!(d.read_struct_field("code", 1, |d| {
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:71:31
[INFO] [stderr]    |
[INFO] [stderr] 71 |             let description = try!(d.read_struct_field("description", 2, |d| {
[INFO] [stderr]    |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:75:27
[INFO] [stderr]    |
[INFO] [stderr] 75 |             let message = try!(d.read_struct_field("message", 3, |d| {
[INFO] [stderr]    |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:135:32
[INFO] [stderr]     |
[INFO] [stderr] 135 |         let derived_password = try!(self.derive_password(&key, &label));
[INFO] [stderr]     |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:172:26
[INFO] [stderr]     |
[INFO] [stderr] 172 |         let iterations = try!(self.number_of_iterations_for_key(&key)) as u32;
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using a crate from crates.io instead.
[INFO] [stderr]    --> src/labels.rs:237:30
[INFO] [stderr]     |
[INFO] [stderr] 237 |     let mut home_directory = env::home_dir().unwrap();
[INFO] [stderr]     |                              ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 27 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/labels.rs:44:21
[INFO] [stderr]    |
[INFO] [stderr] 44 |         let store = try!(store());
[INFO] [stderr]    |                     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/labels.rs:52:36
[INFO] [stderr]    |
[INFO] [stderr] 52 |         let updated_store_string = try!(self.updated_store_string());
[INFO] [stderr]    |                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/labels.rs:53:9
[INFO] [stderr]    |
[INFO] [stderr] 53 |         try!(self.write_to_store(&updated_store_string));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/labels.rs:62:38
[INFO] [stderr]    |
[INFO] [stderr] 62 |         let destroyed_store_string = try!(self.destroyed_store_string());
[INFO] [stderr]    |                                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/labels.rs:63:9
[INFO] [stderr]    |
[INFO] [stderr] 63 |         try!(self.write_to_store(&destroyed_store_string));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/labels.rs:69:38
[INFO] [stderr]    |
[INFO] [stderr] 69 |         let destroyed_store_string = try!(
[INFO] [stderr]    |                                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/labels.rs:76:38
[INFO] [stderr]    |
[INFO] [stderr] 76 |         let destroyed_store_string = try!(
[INFO] [stderr]    |                                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/labels.rs:85:25
[INFO] [stderr]    |
[INFO] [stderr] 85 |         let raw_store = try!(raw_store());
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/labels.rs:151:13
[INFO] [stderr]     |
[INFO] [stderr] 151 |             try!(s.emit_struct_field("title", 0, |s| {
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/labels.rs:154:13
[INFO] [stderr]     |
[INFO] [stderr] 154 |             try!(s.emit_struct_field("previous_title", 1, |s| {
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/labels.rs:157:13
[INFO] [stderr]     |
[INFO] [stderr] 157 |             try!(s.emit_struct_field("persisted", 2, |s| {
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/labels.rs:168:25
[INFO] [stderr]     |
[INFO] [stderr] 168 |             let title = try!(d.read_struct_field("title", 0, |d| {
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/labels.rs:171:34
[INFO] [stderr]     |
[INFO] [stderr] 171 |             let previous_title = try!(
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/labels.rs:176:29
[INFO] [stderr]     |
[INFO] [stderr] 176 |             let persisted = try!(d.read_struct_field("persisted", 2, |d| {
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/labels.rs:192:17
[INFO] [stderr]     |
[INFO] [stderr] 192 |     let store = try!(store());
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/labels.rs:202:21
[INFO] [stderr]     |
[INFO] [stderr] 202 |     let raw_store = try!(raw_store());
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:45:13
[INFO] [stderr]    |
[INFO] [stderr] 45 |             try!(s.emit_struct_field("field", 0, |s| {
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:48:13
[INFO] [stderr]    |
[INFO] [stderr] 48 |             try!(s.emit_struct_field("code", 1, |s| {
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:51:13
[INFO] [stderr]    |
[INFO] [stderr] 51 |             try!(s.emit_struct_field("description", 2, |s| {
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:54:13
[INFO] [stderr]    |
[INFO] [stderr] 54 |             try!(s.emit_struct_field("message", 3, |s| {
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:65:25
[INFO] [stderr]    |
[INFO] [stderr] 65 |             let field = try!(d.read_struct_field("field", 0, |d| {
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:68:24
[INFO] [stderr]    |
[INFO] [stderr] 68 |             let code = try!(d.read_struct_field("code", 1, |d| {
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:71:31
[INFO] [stderr]    |
[INFO] [stderr] 71 |             let description = try!(d.read_struct_field("description", 2, |d| {
[INFO] [stderr]    |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:75:27
[INFO] [stderr]    |
[INFO] [stderr] 75 |             let message = try!(d.read_struct_field("message", 3, |d| {
[INFO] [stderr]    |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:135:32
[INFO] [stderr]     |
[INFO] [stderr] 135 |         let derived_password = try!(self.derive_password(&key, &label));
[INFO] [stderr]     |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:172:26
[INFO] [stderr]     |
[INFO] [stderr] 172 |         let iterations = try!(self.number_of_iterations_for_key(&key)) as u32;
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using a crate from crates.io instead.
[INFO] [stderr]    --> src/labels.rs:237:30
[INFO] [stderr]     |
[INFO] [stderr] 237 |     let mut home_directory = env::home_dir().unwrap();
[INFO] [stderr]     |                              ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 27 warnings emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using a crate from crates.io instead.
[INFO] [stdout] running 0 tests
[INFO] [stderr]    --> tests/labels.rs:264:30
[INFO] [stdout] 
[INFO] [stderr]     |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr] 264 |     let mut home_directory = env::home_dir().unwrap();
[INFO] [stdout] 
[INFO] [stderr]     |                              ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.28s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/dono-a44d81a48a435e6f
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/labels-3239ace22026302a
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test changed_returns_true_if_the_title_has_changed ... ok
[INFO] [stdout] test debug_message ... ok
[INFO] [stdout] test can_be_json_encoded_and_decoded ... ok
[INFO] [stdout] test label_new_builds_a_new_label_with_a_title ... ok
[INFO] [stdout] test label_new_builds_a_new_saved_label_with_a_title ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lib-b6a0a651dcfab336
[INFO] [stdout] test file_system_dependant_tests ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test it_returns_an_error_if_the_key_is_too_short ... ok
[INFO] [stdout] test dono_error_can_be_json_encoded_and_decoded ... ok
[INFO] [stderr]    Doc-tests dono
[INFO] [stdout] test it_computes_a_password ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "160b6c903b28ec6cd43876c12c796345b00c0eec1cd51a1b2afbd1fcce740268", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "160b6c903b28ec6cd43876c12c796345b00c0eec1cd51a1b2afbd1fcce740268", kill_on_drop: false }`
[INFO] [stdout] 160b6c903b28ec6cd43876c12c796345b00c0eec1cd51a1b2afbd1fcce740268